Converting Switches from AC to IDC

[wirelesscon]

Hello,
Is it possible (Forgoing the Warranty) to convert an AC PSU Switch to an Isolated DC PSU version of the switch...

I have an AC version of the WS-26-400 and I would love (ignoring the fact that im going to have no warranty ... to remove the AC PSU and replace it with an Isolated DC PSU so that I can run the swtch on a new -48V site that we are running ...

Can This be accomodated please ? (given the equipment shortages we are all experiencing) ..